21
21
CX-LEM550
7-5. SCHEMATIC DIAGRAM — MAIN BOARD —
3.1
0.2
0.2
3.1
1.9
1.9
0
0
0
10.0
9.3
3.9
9.2
1.2
2.0
0
2.3
-30.8
9.3
9.3
-31.5
-30.7
-34.1
-31.5
-34.7
-30.8
-34.1
-37.3
-37.3
-41.2
-38.1
0
1.5
8.5
0.7
0.5
1.2
0.1
3.1
10.0
0.1
10.0
4.2
8.3
3.6
(7.5)
9.3
<0>
10.0
<9.2>
10.0
<9.9>
0
<6.5>
0
<7.1>
0
<1.9>
0
10.0
<6.3>
0
<0.2>
0
<6.5>
0
<0.3>
0
<0.2>
0
<0.3>
0
<6.5>
0
<-0.7>
2.8
<-0.7>
2.8
<-7.1>
2.5
<-20.6>
<-11.7>
<-0.7>
2.8
<-7.1>
2.5
<-7.1>
2.5
2.8
2.8
0
0
2.8
0
0
0
0
<-20.6>
0
<-20.6>
0
0
0
0
0
0
0
0
0
0
0
0
0
4.6
0.5
-4.5
0
0
0
0
0
0
0
0
0
0
0
0
0
( ) : CD PLAY
NO MARK: FM
< > : TAPE REC
Q346-348
REC BIAS
SWITCH
Q326-332
REC/PB
SWITCH
Q344, 345
BIAS OSC
Q311, 315
MAIN POWER
RELAY DRIVE
Q333, 338
AC DETECT
Q334-337
REGULATOR
Q312-314
REGULATOR
Q349, 350
FAN MOTOR DRIVE
Q319, 320
B+ SWITCH
Q317
REGULATOR
Q342, 343
DC DETECT
MAIN BOARD
INPUT SELECT
ELECTRICAL VOLUME
IC302
SPEAKER
IMPEPANCE
USE 6-16
Ω
L
R
MD
R
L
R-CH
REC/PB
HEAD
L-CH
ERASE
HEAD
9P
47/35V
2SC1623-L5L6
2SC1623-L5L6
4.7K
4.7K
2SC2120-Y
2SC2120-Y
56K
47/35V
1N4002B
1N4002B
1/4W
100P
100P
47/35V
47/35V
2SK2158-T2B
2SK2158-T2B
2SK2158-T2B
1SS133T-77
KRA303-RTK
KRA303-RTK
2SD1387-3
KTA1266GR-AT
47/35V
1SS133T
-77
UDZ-TE-17-4.3B
UDZ-TE-17-4.3B
1SS133T-77
RD5.1ESB2
1N4002B
RD3.3ESB2
RD3.9ESB2
1SS133T-77
KRC402-RTK
RD3.3ESB2
1SS133T
-77
KRC402-RTK
KRC402-RTK
KRC402-RTK
KTA1266GR-AT
KTA1266GR-AT
KTA1266GR-AT
KTA1266GR-AT
1SS133T
-77
RD3.9ESB2
RD3.3ESB2
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
0.068
0.068
KTA1273Y-AT
KTC3199GR-TP
47K
47K
47/35V
22K
22K
• See page 28 for Waveforms.
• See page 31 for IC Block diagram.
Summary of Contents for CX-LEM550
Page 47: ...47 CX LEM550 MEMO ...
